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Merge branch 'canvas_tweaks' of https://github.com/nmains/ardour into cairocanvas

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This commit is contained in:
Paul Davis 2014-06-18 11:20:10 -04:00
commit 36a34dc1a4
2 changed files with 27 additions and 10 deletions
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25
libs/canvas/canvas.cc
View file

@ -170,7 +170,9 @@ Canvas::item_shown_or_hidden (Item* item)
{ {
boost::optional<Rect> bbox = item->bounding_box (); boost::optional<Rect> bbox = item->bounding_box ();
if (bbox) { if (bbox) {
queue_draw_item_area (item, bbox.get ()); if (item->item_to_window (*bbox).intersection (visible_area ())) {
queue_draw_item_area (item, bbox.get ());
}
} }
} }
@ -183,7 +185,9 @@ Canvas::item_visual_property_changed (Item* item)
{ {
boost::optional<Rect> bbox = item->bounding_box (); boost::optional<Rect> bbox = item->bounding_box ();
if (bbox) { if (bbox) {
queue_draw_item_area (item, bbox.get ()); if (item->item_to_window (*bbox).intersection (visible_area ())) {
queue_draw_item_area (item, bbox.get ());
}
} }
} }
@ -195,15 +199,24 @@ Canvas::item_visual_property_changed (Item* item)
void void
Canvas::item_changed (Item* item, boost::optional<Rect> pre_change_bounding_box) Canvas::item_changed (Item* item, boost::optional<Rect> pre_change_bounding_box)
{ {
Rect window_bbox = visible_area ();
if (pre_change_bounding_box) { if (pre_change_bounding_box) {
/* request a redraw of the item's old bounding box */
queue_draw_item_area (item, pre_change_bounding_box.get ()); if (item->item_to_window (*pre_change_bounding_box).intersection (window_bbox)) {
/* request a redraw of the item's old bounding box */
queue_draw_item_area (item, pre_change_bounding_box.get ());
}
} }
boost::optional<Rect> post_change_bounding_box = item->bounding_box (); boost::optional<Rect> post_change_bounding_box = item->bounding_box ();
if (post_change_bounding_box) { if (post_change_bounding_box) {
/* request a redraw of the item's new bounding box */
queue_draw_item_area (item, post_change_bounding_box.get ()); if (item->item_to_window (*post_change_bounding_box).intersection (window_bbox)) {
/* request a redraw of the item's new bounding box */
queue_draw_item_area (item, post_change_bounding_box.get ());
}
} }
} }

12
libs/canvas/item.cc
View file

@ -545,10 +545,12 @@ Item::begin_change ()
void void
Item::end_change () Item::end_change ()
{ {
_canvas->item_changed (this, _pre_change_bounding_box); if (_visible) {
_canvas->item_changed (this, _pre_change_bounding_box);
if (_parent) { if (_parent) {
_parent->child_changed (); _parent->child_changed ();
}
} }
} }
@ -560,7 +562,9 @@ Item::begin_visual_change ()
void void
Item::end_visual_change () Item::end_visual_change ()
{ {
_canvas->item_visual_property_changed (this); if (_visible) {
_canvas->item_visual_property_changed (this);
}
} }
void void